Home / 155,941.61-233,718.62-71,612.30

Finding the Fourth Proportional to 155,941.61, 233,718.62 and 71,612.30

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Solution

The fourth proportional to 155,941.61, 233,718.62 and 71,612.30 is: 107,329.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,941.61 : 233,718.62 = 71,612.30 : x
  2. Step 2: Convert to fraction form
    155,941.61/233,718.62 = 71,612.30/x
  3. Step 3: Cross multiply
    155,941.61x = 233,718.62 × 71,612.30
  4. Step 4: Simplify right side
    155,941.61x = 16,737,128,157.26
  5. Step 5: Solve for x
    x = 16,737,128,157.26/155,941.61
  6. Step 6: Final answer
    x = 107,329.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.